herro

Recently I have been trying to delve into the more subtle nuance of MCH, stance dancing.
To my understanding weapon delay is how frequently auto attacks go off. My question is does the weapon delay algorithm still claculate in the background while guass barrel is on? Or does it reset ever time you turn it off? Any help is appreciated, as i am trying to do the math and see if there is a point when i would normaly turn gauss off, to just leave it on becuase it falls on the point in the algorithm where dps loss occurs do to the GCD to Auto Attack ratio is imbalanced.
Thanks in advance.